package week08;

import org.apache.spark.sql.catalyst.rules.Rule;
import org.apache.spark.sql.catalyst.trees.TreeNode;

public class Work3 extends Rule {

    public static void main(String[] args) {
        Work3 work3 = new Work3();
        TreeNode treeNode = null;
        work3.apply(treeNode);
    }

    @Override
    public TreeNode<?> apply(TreeNode plan) {
        plan.apply(1);
        
        return plan;
    }
}
